AMD RX-421BD vs Intel Xeon Gold 6312U

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CPU comparison with benchmarks


AMD RX-421BD CPU1 vs CPU2 Intel Xeon Gold 6312U
AMD RX-421BD Intel Xeon Gold 6312U

CPU comparison

AMD RX-421BD or Intel Xeon Gold 6312U - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD RX-421BD was released in Q4/2015.

The Intel Xeon Gold 6312U has 24 cores with 48 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 6144 GB of memory in 8 memory channels. The Intel Xeon Gold 6312U was released in Q2/2021.
AMD R (6) Family Intel Xeon Gold (163)
AMD RX 1st Gen. (6) CPU group Intel Xeon Gold 5300/6300 (21)
1 Generation 3
Merlin Falcon (Excavator) Architecture Ice Lake
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD RX-421BD has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD RX-421BD is 2.10 GHz (3.40 GHz) while the Intel Xeon Gold 6312U has 24 CPU cores and 48 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 6312U is at 2.40 GHz (3.60 GHz).

AMD RX-421BD Characteristic Intel Xeon Gold 6312U
4 Cores 24
4 Threads 48
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.10 GHz Frequency 2.40 GHz
3.40 GHz Turbo Frequency (1 Core) 3.60 GHz
-- Turbo Frequency (All Cores) 2.80 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD RX-421BD Characteristic Intel Xeon Gold 6312U
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD RX-421BD or Intel Xeon Gold 6312U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

AMD Radeon R7 - 512 (Merlin Falcon) GPU no iGPU
0.80 GHz GPU frequency --
-- GPU (Turbo) --
3 GPU Generation --
28 Technology
3 Max. displays
8 Compute units --
512 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

AMD Radeon R7 - 512 (Merlin Falcon) GPU no iGPU
Decode Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

The AMD RX-421BD can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Intel Xeon Gold 6312U supports up to 6144 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s.

AMD RX-421BD Characteristic Intel Xeon Gold 6312U
DDR4-2400, DDR3-2133 Memory DDR4-3200
Max. Memory 6144 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
38.4 GB/s Max. Bandwidth 204.8 GB/s
Yes ECC Yes
2.00 MB L2 Cache --
-- L3 Cache 36.00 MB
3.0 PCIe version 4.0
12 PCIe lanes 64
11.8 GB/s PCIe Bandwidth 126.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD RX-421BD is 35 W, while the Intel Xeon Gold 6312U has a TDP of 185 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD RX-421BD Characteristic Intel Xeon Gold 6312U
35 W TDP (PL1 / PBP) 185 W
-- TDP (PL2) --
-- TDP up --
12 W TDP down --
90 °C Tjunction max. --

Technical details

The AMD RX-421BD is manufactured in 28 nm and has 2.00 MB cache. The Intel Xeon Gold 6312U is manufactured in 10 nm and has a 36.00 MB cache.

AMD RX-421BD Characteristic Intel Xeon Gold 6312U
28 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
FP4 Socket LGA 4189
AMD-V, AMD-Vt Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q4/2015 Release date Q2/2021
-- Release price 1450 $
show more data show more data


Rate these processors

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Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD RX-421BD AMD RX-421BD
4C 4T @ 3.40 GHz
0 (0%)
Intel Xeon Gold 6312U Intel Xeon Gold 6312U
24C 48T @ 3.60 GHz
1338 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD RX-421BD AMD RX-421BD
4C 4T @ 2.10 GHz
0 (0%)
Intel Xeon Gold 6312U Intel Xeon Gold 6312U
24C 48T @ 2.80 GHz
23285 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD RX-421BD AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz
820 (100%)
Intel Xeon Gold 6312U Intel Xeon Gold 6312U
@ 0.00 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD RX-421BD AMD RX-421BD
4C 4T @ 2.10 GHz
0 (0%)
Intel Xeon Gold 6312U Intel Xeon Gold 6312U
24C 48T @ 2.80 GHz
43717 (100%)

Devices using this processor

AMD RX-421BD Intel Xeon Gold 6312U
Unknown Unknown

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